Tag: Historical
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Surveyor’s Saturday Serendipity: Mystery Of The Ancient Maps ~ Graham Hancock
A wee bit of Surveyor’s Saturday Serendipity with a Mystery Of The Ancient Maps ~ Graham Hancock video, for your watching pleasure. At the Monuments to Life Conference Graham Hancock discusses the confounding mystery of maps drawn from ancient maps that shows features our modern culture had yet to discover. Pretty good evidence of an ancient…
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Surveyor’s Saturday Serendipity: US Historical County and State Boundaries
A wee bit of Surveyor’s Saturday Serendipity with an US Historical County and State Boundaries video, for your watching pleasure.
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NGS Enabling Historical “T-Sheets” to be Accurately and Efficiently Geo-referenced
NGS Enabling Historical “T-Sheets” to be Accurately and Efficiently Geo-referenced Historical Topographic Sheets (“T-Sheets”) produced by the U.S. Coast and Geodetic Survey are referenced to various horizontal datums in use over the two hundred years since the first Survey of the Coast in 1816. To use these maps to document coastal change, a conversion has…